/**
 * MIT License
 * <p>
 * Copyright (c) 2017-2018 nuls.io
 * <p>
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * <p>
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * <p>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package io.nuls.klines.util;

import java.util.HashMap;
import java.util.Map;

/**
 * @author: PierreLuo
 * @date: 2021-03-04
 */
public class CacheUtil {

    static Map<String, CacheWrapper> caches = new HashMap<>();

    public static void add(String key, Object obj) {
        caches.put(key, new CacheWrapper(obj));
    }

    public static Object get(String key) {
        CacheWrapper cache = caches.get(key);
        if (cache == null) {
            return cache;
        }
        long createTime = cache.getCreateTime();
        if (System.currentTimeMillis() - createTime > 3600000) {
            return null;
        }
        return cache.getObj();
    }

    static class CacheWrapper {
        Object obj;
        long createTime;

        public CacheWrapper(Object obj) {
            this.obj = obj;
            this.createTime = System.currentTimeMillis();
        }

        public Object getObj() {
            return obj;
        }

        public void setObj(Object obj) {
            this.obj = obj;
        }

        public long getCreateTime() {
            return createTime;
        }
    }

}
